Deep Abyss 2d.jar <Verified Source>

I opened it. It contained a single line of text, time-stamped from exactly five minutes ago—the moment I had first double-clicked the icon.

Then, the text appeared. Not in a text box, but typed out, letter by letter, in the void beneath his feet. deep abyss 2d.jar

To play the .jar version on modern hardware, you generally need an emulator: I opened it